This video is a How to tutorial that shows you how to edit a 3D video in Premiere Pro. There have been plug-ins available in the past to perform this, but currently it seems there is not much out there. The focus currently appears to be more on VR360 and VR180 than on standard stereoscopic video. I have had several questions on this channel of people wondering how they can edit their 3D videos. For this reason I have decided to showcase a method that can be applied not just in Premiere Pro, but to other leading video editing software also. It is a generic method that relies on separating the left and right eye video and treating these separately, yet it allows one to view the video in 3D whilst editing to assess the outcome of the edits. Then once all edits are complete the video will need to be stitched back together again.
Chapters
00:00 Start
02:38 Overview
08:19 Video Before Processing
09:13 Split SBS file using ffmpeg
14:05 Prepare Video for Editing
20:33 Alignment and Parallax adjustment
29:04 Editing
36:24 Export Video
39:31 Create SBS file using ffmpeg
43:47 The Result, Video After Processing
The pre and post processing requires ffmpeg to be installed on your PC. Here are pre-prepared one liner command that you can use to process your videos. Feel free to copy and paste them from here so that you don't have to type them out from scratch yourself.
𝐈𝐦𝐩𝐨𝐫𝐭 𝐏𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 - command to separate an SBS video to 2 individual videos for left and right eyes:
For %f in (*.mp4) do ffmpeg -i "%f" -vf "crop=w=iw/2:h=ih:x=0:y=0" -aspect 1.7777 "%~nf_l.mp4" -vf "crop=w=iw/2:h=ih:x=iw/2:y=0" -aspect 1.7777 "%~nf_r.mp4"
Ensure that you only have the files you want to process in the directory where you run the command. Also ensure you select the right aspect ratio, as the videos will be stretched to fit the aspect ratio you specify.
𝐄𝐱𝐩𝐨𝐫𝐭 𝐏𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 - command to combine 2 individual left and right eye videos to create a SBS video:
ffmpeg -i left.mp4 -i right.mp4 -filter_complex "[0:0][1:0] hstack=inputs=2 [out]" -aspect 1.7777 -vcodec libx264 -x264opts frame-packing=3 -map [out] -map 1:1 SBS.mp4
Specify an aspect ratio that matches the aspect ratio of the individual left/right video files. That will then result in a half width SBS file. If you want to have a full width SBS file instead, then you need to double the aspect ratio. Also you will need to name your files right.mp4 and left.mp4 for your right/left video files respectively. If you named them something else, simply replace the name in the command with the ones that you used.
If you want to follow along with this tutorial video I am also providing links to the original and final product:
• Original SBS video prior to processing: • How to Edit 3D Video (...
• The final product which should be the same as what you end up with (minus the music) if you follow the steps: • How to Edit 3D Video (...
Some useful links:
• ffmpeg download ffmpeg.org/download.html
• ffmpeg documentation: ffmpeg.org/documentation.html
• How to install ffmpeg on Windows video: • Install FFmpeg on Wind...
• How to install ffmpeg on Windows another video: • How To: Download+Insta...
• A Premiere Pro Plugin (Vision III Imaging Inc. currently US $400: inv3.com/quicks3dx/
• My video on how to Edit video from the Fujifilm W3 3D camera: • How to Edit 3D Video t...
Hope you find this useful. Do let me know your feedback in the comments.
Disclaimer: The information including the command line code provided here is on an "as is" basis and ANAVision has no obligations to provide support, update, enhancement or modifications obligations with respect to this. In no event shall ANAVision be liable to any party for direct, indirect, special, incidental, or consequential damages, including lost profits, arising out of the use of this, even if ANAVision has been advised of the possibility of such damage.
11 июл 2024